glibc/sysdeps/nptl/pthread_mutex_conf.h

42 lines
1.2 KiB
C

/* Pthread mutex tunable parameters.
Copyright (C) 2018-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _PTHREAD_MUTEX_CONF_H
#define _PTHREAD_MUTEX_CONF_H 1
#include <adaptive_spin_count.h>
#if HAVE_TUNABLES
struct mutex_config
{
int spin_count;
};
extern struct mutex_config __mutex_aconf;
libc_hidden_proto (__mutex_aconf)
extern void __pthread_tunables_init (void) attribute_hidden;
#else
static inline void
__pthread_tunables_init (void)
{
/* No tunables to initialize. */
}
#endif
#endif